Calculate the Greatest Common Factor or GCF of 1425
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The instructions to find the GCF of 1425 are the next:
1. Decompose all numbers into prime factors
| 1425 | 3 |
| 475 | 5 |
| 95 | 5 |
| 19 | 19 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 1425 | = | 3 . 52 . 19 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 5 , 19
Common prime factors with the lowest exponent: 31, 52, 191
4. Calculate the Greatest Common Factor or GCF
Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.
GCF = 31. 52. 191 = 1425
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